--- /var/tmp/nagios-plugins-2.0.2/plugins-scripts/check_mailq.pl        2014-04-16 00:19:03.000000000 +0200
+++ /var/tmp/nagios-plugins-2.0.2/plugins-scripts/check_mailq.pl.new    2014-06-11 06:39:19.501809193 +0200
@@ -610,19 +610,19 @@
                {
                        $mailq = 'qmail';
                }
-               elsif (-d '/var/lib/postfix' || -d '/var/local/lib/postfix'
-                      || -e '/usr/sbin/postfix' || -e '/usr/local/sbin/postfix')
+               elsif (-d '/var/lib/postfix' or -d '/var/local/lib/postfix'
+                      or -e '/usr/sbin/postfix' or -e '/usr/local/sbin/postfix')
                {
                        $mailq = 'postfix';
                }
-               elsif (-d '/usr/lib/exim4' || -d '/usr/local/lib/exim4'
-                      || -e '/usr/sbin/exim' || -e '/usr/local/sbin/exim')
+               elsif (-d '/usr/lib/exim4' or -d '/usr/local/lib/exim4'
+                      or -e '/usr/sbin/exim' or -e '/usr/local/sbin/exim')
                {
                        $mailq = 'exim';
                }
-               elsif (-d '/usr/lib/nullmailer' || -d '/usr/local/lib/nullmailer'
-                      || -e '/usr/sbin/nullmailer-send'
-                      || -e '/usr/local/sbin/nullmailer-send')
+               elsif (-d '/usr/lib/nullmailer' or -d '/usr/local/lib/nullmailer'
+                      or -e '/usr/sbin/nullmailer-send'
+                      or -e '/usr/local/sbin/nullmailer-send')
                {
                        $mailq = 'nullmailer';
                }